Autopilot Servos

Editorial Staff

Tuesday, March 22, 2022 at 10:58 AM ET

Verified

Key Takeaways:

Servos, particularly pitch and trim servos, are failing or malfunctioning across a variety of aircraft models, including Beech, Cessna, Pilatus, and Piper.
Reported malfunctions include overheating leading to smoke, binding/sticking, intermittent operation, and complete failure, sometimes occurring after relatively low operational hours.
Several incidents point to recurring problems on specific aircraft, and at least one failure was directly attributed to improper maintenance such as an overtightened servo clutch.

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Beech Model E55 Baron

Overtorqued Servo Clutch

Editorial Staff